I have everything with fixed IP (see below), but I never set fixed IP in Pi or Computer. I simply set it in my router using the mac address detected by the router, and it never ever gave any problem.
Setting fixed IP in router using mac address has advantage that reimaging the microSD card of Pi does not change its IP address.
Desktop 192.168.0.10
My Phone 192.168.0.11
Her Majesty's Phone 192.168.0.12
Pi-1 192.168.0.21
Pi-2 192.168.0.22
Pi-3 192.168.0.23
Debian 10 on VM 192.168.0.31
Ubuntu 20 on VM 192.168.0.32
Kali 2020 on VM 192.168.0.33
Setting fixed IP in router using mac address has advantage that reimaging the microSD card of Pi does not change its IP address.
Desktop 192.168.0.10
My Phone 192.168.0.11
Her Majesty's Phone 192.168.0.12
Pi-1 192.168.0.21
Pi-2 192.168.0.22
Pi-3 192.168.0.23
Debian 10 on VM 192.168.0.31
Ubuntu 20 on VM 192.168.0.32
Kali 2020 on VM 192.168.0.33
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